Ecology Principles & Community Ecology Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What happens when interspecific competition between two species is high?

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Question 2 2. All the organisms in a particular geographic area that belong to the same species form a _____.

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Question 3 3. The biosphere includes:

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Question 4 4. The ecological phenomenon where a harmless animal mimics a dangerous animal, is called:

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Question 5 5. In ecology, colonization occurs when:

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Question 6 6. The American red wolf used to be common throughout much of the Southeastern U.S. Though by 1980, it was only present in a narrow area of coastal eastern Texas. This is an example of what ecological phenomena?

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Question 7 7. A density _____ factor is not affected by population size.

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Question 8 8. Which of the following is an example of parasitism?

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Question 9 9. A food chain includes carrots, rabbits, snakes, and eagles. Which of these organisms would be at the last trophic level?

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Question 10 10. Why can cheetahs and lions coexist together on the plains of the Masai Mara National Reserve?

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Question 11 11. When a bee gathers nectar from a certain type of flower to make honey and in the process pollinates the flower, what kind of relationship exists between the bee and the flower?

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Question 12 12. Which of the following events is likely to precede primary succession?

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Question 13 13. What is ecological balance?

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Question 14 14. What is an ecosystem?

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Question 15 15. What is the effect of predation on prey?

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Question 16 16. Which of these large organisms has a type I survivorship curve?

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Question 17 17. What usually happens in a natural population as it approaches its carrying capacity?

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Question 18 18. Sea turtles lay hundreds of eggs with the hope that a few of their offspring will survive to adulthood. This is an example of which type of survivorship curve?

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Question 19 19. In a typical ecosystem, what percentage of the energy produced by the autotrophs then consumed by the primary consumers will be passed along to the secondary consumers?

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Question 20 20. What is the major difference between competitive exclusion and local extinction?

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Question 21 21. What is a niche?

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Question 22 22. If a mosquito feeds on a bird that is infected with the West Nile Virus and then feeds on a human being who then contracts the virus, what role is the mosquito playing in the infection of the person?

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Question 23 23. What is a climax community?

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Question 24 24. What is an invasive species?

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Question 25 25. What is a population?

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Question 26 26. What is coevolution?

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Question 27 27. Which of the following is a key feature of the life histories of species that have a type III survivorship curve?

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Question 28 28. What is dispersion?

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Question 29 29. There are ______ types of survivorship curves.

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Question 30 30. How many trophic levels does an omnivore feed on within an ecosystem?

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Ecology Principles & Community Ecology Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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